Finding the Fourth Proportional to 42,837.75, 59,142.89 and 27,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,837.75 : 59,142.89 = 27,530.50 : x
2. Step 2: Convert to fraction form
   42,837.75/59,142.89 = 27,530.50/x
3. Step 3: Cross multiply
   42,837.75x = 59,142.89 × 27,530.50
4. Step 4: Simplify right side
   42,837.75x = 1,628,233,333.15
5. Step 5: Solve for x
   x = 1,628,233,333.15/42,837.75
6. Step 6: Final answer
   x = 38,009.31